Here is the third (slow) movement from Elgar's Cello Concerto played by Julian Lloyd Webber. (Conducted by Yehudi Menuhin.) No, most of us won't play on a Stradavarius cello, but we can still aspire to a very sweet and gentle sound like this.
Students: What do you notice about his bow hand that helps make smooth bow changes?
How much of his bow does he use?